Fixed: Copying to clipboard does not support transparency

src/com/jpexs/decompiler/flash/gui/ImagePanel.java

@@ -171,6 +171,14 @@ public final class ImagePanel extends JPanel implements MediaDisplay {
         listeners.remove(listener);
     }
 
+    @Override
+    public Color getBackgroundColor() {
+        if (swf != null && swf.getBackgroundColor() != null) {
+            return swf.getBackgroundColor().backgroundColor.toColor();
+        }
+        return Color.white;
+    }
+
     private class IconPanel extends JPanel {
 
         private SerializableImage _img;

src/com/jpexs/decompiler/flash/gui/SoundTagPlayer.java

@@ -323,4 +323,9 @@ public class SoundTagPlayer implements MediaDisplay {
             loopCount--;
         }
     }
+
+    @Override
+    public Color getBackgroundColor() {
+        return Color.white;
+    }
 }

src/com/jpexs/decompiler/flash/gui/player/FlashPlayerPanel.java

@@ -70,6 +70,8 @@ public final class FlashPlayerPanel extends Panel implements Closeable, MediaDis
 
     private float frameRate;
 
+    private Color bgColor;
+
     @Override
     public boolean loopAvailable() {
         return false;
@@ -435,4 +437,12 @@ public final class FlashPlayerPanel extends Panel implements Closeable, MediaDis
     public void removeEventListener(MediaDisplayListener listener) {
         listeners.remove(listener);
     }
+
+    @Override
+    public Color getBackgroundColor() {
+        if (bgColor == null) {
+            return Color.white;
+        }
+        return bgColor;
+    }
 }

src/com/jpexs/decompiler/flash/gui/player/MediaDisplay.java

@@ -67,4 +67,6 @@ public interface MediaDisplay extends Closeable {
     public void addEventListener(MediaDisplayListener listener);
 
     public void removeEventListener(MediaDisplayListener listener);
+
+    public Color getBackgroundColor();
 }

src/com/jpexs/decompiler/flash/gui/player/PlayerControls.java

@@ -26,6 +26,7 @@ import java.awt.Cursor;
 import java.awt.Dimension;
 import java.awt.FlowLayout;
 import java.awt.Font;
+import java.awt.Graphics2D;
 import java.awt.Image;
 import java.awt.Insets;
 import java.awt.Toolkit;
@@ -585,7 +586,16 @@ public class PlayerControls extends JPanel implements MediaDisplayListener {
         if (img == null) {
             return;
         }
-        TransferableImage trans = new TransferableImage(img);
+
+        //Copy to clipboard does not support transparency
+        BufferedImage newImage = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_RGB);
+        Graphics2D g = newImage.createGraphics();
+        g.setColor(display.getBackgroundColor());
+        g.fillRect(0, 0, img.getWidth(), img.getHeight());
+        g.drawImage(img, 0, 0, null);
+        g.dispose();
+
+        TransferableImage trans = new TransferableImage(newImage);
         Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();
         c.setContents(trans, new ClipboardOwner() {
             @Override